Hi Jörn,
> what is the best way to iterate over annotations which have
> different types?
you can use a filtered iterator - more or less like this:
CAS cas = jcas.getCas();
ConstraintFactory cf = ConstraintFactory.instance();
FSIterator<Annotation> iterator =
jcas.getAnnotationIndex().iterator();
Type tokenType = jcas.getCasType(Token.type);
Type sentenceType = jcas.getCasType(Sentence.type);
// Restrict to Tokens
FSTypeConstraint typeConstraint1 = cf.createTypeConstraint();
typeConstraint.add(tokenType);
// Restrict to Tokens
FSTypeConstraint typeConstraint2 = cf.createTypeConstraint();
typeConstraint.add(sentenceType);
// Combine both constraints using "or"
FSMatchConstraint disjunction = cf.or(typeConstraint1,
typeConstraint2);
// Create and use the filtered iterator
FSIterator<Annotation> filteredIterator =
cas.createFilteredIterator(iterator, disjunction);
while(filteredIterator.hasNext()) {
System.out.println(filteredIterator.next().getCoveredText());
}
Cheers,
Richard
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Richard Eckart de Castilho
Technical Lead
Ubiquitous Knowledge Processing Lab
FB 20 Computer Science Department
Technische Universität Darmstadt
Hochschulstr. 10, D-64289 Darmstadt, Germany
phone [+49] (0)6151 16-7477, fax -5455, room S2/02/B117
[email protected]
www.ukp.tu-darmstadt.de
Web Research at TU Darmstadt (WeRC) www.werc.tu-darmstadt.de
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